Mask



FIG. 1 is a top perspective view of a mask showing our new design with a bottle.

FIG. 2 is a top perspective view of the mask.

FIG. 3 is a bottom view of the mask with actuator.

FIG. 4 is a bottom view of the mask without actuator.

FIG. 5 is a right side view of the mask with bottle in dotted line.

FIG. 6 is a left side view of the mask with bottle in dotted line.

FIG. 7 is a front view of the mask.

FIG. 8 is a rear view of the mask.

FIG. 9 is a top view of the mask with actuator.

FIG. 10 is a top view of the mask without actuator; and,

FIG. 11 is a cross-sectional view taken in the direction of line 11-11 of the mask in FIG. 3.

The broken lines showing of the bottle in FIGS. 1 and 5-6 depicts environmental structure that forms no part of the claimed design. 

CLAIM An ornamental design for a mask, as shown and described. 